| 摘要 |
A liquid and gas assisted injection molding apparatus comprising a source of liquid coolant, a source of compressed gas, a source of heated viscous plastic, a mold cavit y means for controllably injecting said plastic into said cavity, means for controllably injecting sa id compressed gas into said cavity, means for controllably injecting said liquid coolant into said cavit y, and means for selectively controlling the injection of said plastic, gas and liquid coolant.
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